BibTex format
@article{Evans:2012:10.1007/s11192-012-0694-9,
author = {Evans, TS and Hopkins, N and Kaube, BS},
doi = {10.1007/s11192-012-0694-9},
journal = {Scientometrics: an international journal for all quantitative aspects of the science of science, communication in science and science policy},
title = {Universality of Performance Indicators based on Citation and Reference Counts},
url = {http://dx.doi.org/10.1007/s11192-012-0694-9},
year = {2012}
}